Chotsukira udzu champhamvu kwambiri chogwira ntchito zambiri
Chotsukira udzu ndi chowonjezera chapamwamba chomwe chapangidwira makamaka makina amakono a ulimi monga mathirakitala ndi makina okolola. Pogwiritsa ntchito njira zamakono zopangira ndi zipangizo zapamwamba, chapangidwa kuti chichotse bwino udzu, udzu, ndi zitsamba zopepuka m'minda. Chogulitsachi sichimangokonza bwino malo olima ndikuchepetsa kuswana kwa tizilombo ndi matenda, komanso chimapanga mikhalidwe yabwino yolima nyengo yotsatira, zomwe zimapangitsa kuti chikhale chida chamtengo wapatali kwambiri pamafamu amakono, minda ya zipatso, minda ya ziweto, ndi kukonza malo obiriwira m'mbali mwa msewu.
1、Zinthu: Zopangidwa ndi chitsulo champhamvu cha masika cha 65Mn kapena chitsulo cha kaboni champhamvu kwambiri, ndipo zimayikidwa mu njira yapadera yochizira kutentha (kuzimitsa + kutentha), zomwe zimapangitsa tsamba kukhala lolimba kwambiri (HRC 48-55) komanso lolimba kwambiri.
2、Ubwino: Kugonjetsedwa bwino ndi kutopa, kukana kugunda mwangozi kuchokera ku miyala, zinthu zolimba, ndi zina zotero m'munda, kuteteza kusweka ndi kusweka, komanso kutalikitsa moyo wake wotumikira kuposa makina wamba odulira udzu.










